Home / 320,908.27-442,853.43-177,677.56

Finding the Fourth Proportional to 320,908.27, 442,853.43 and 177,677.56

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Solution

The fourth proportional to 320,908.27, 442,853.43 and 177,677.56 is: 245,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,908.27 : 442,853.43 = 177,677.56 : x
  2. Step 2: Convert to fraction form
    320,908.27/442,853.43 = 177,677.56/x
  3. Step 3: Cross multiply
    320,908.27x = 442,853.43 × 177,677.56
  4. Step 4: Simplify right side
    320,908.27x = 78,685,116,880.03
  5. Step 5: Solve for x
    x = 78,685,116,880.03/320,908.27
  6. Step 6: Final answer
    x = 245,195.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.